Good question. The answer is both yes and no:
- Yes: The post-fix
*
is deprecated, since it triggers syntactical ambiguity with post-fix transitive closure in some weird contexts on the expression side of things. This does not happen in patterns, but for consistency we want to have the prefix*
mean "splat" in patterns and "splice" in expressions, as dual operators, and remove the post-fix*
to avoid confusion. - No: when applied to a variable in a pattern they will have the same semantics.
So, please use the prefix +
and prefix *
when possible to avoid upgrade pain in the future when we remove postfix *
and +
from the language.